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United States Patent | 5,057,166 |
Young, Sr. ,   et al. | October 15, 1991 |
Discontinuous fibers are entrained in a gaseous medium and coated while entrained with a substantially continuous coating of a binder material. Plural coatings of various binder materials may be applied to the entrained fibers. Also, one or more solid particulate materials may be adhered to the fibers by the binder material as the binder material dries. The binder material may be heat bondable and mixed with other fibers for use in producing a wide variety of products.
Inventors: | Young, Sr.; Richard H. (Puyallup, WA); Neogi; Amar N. (Seattle, WA); Brunnenkant; Christel (Seattle, WA); Lincoln; James F. L. (Kent, WA); Hansen; Michael R. (Everett, WA) |
Assignee: | Weyerhaeuser Corporation (Tacoma, WA) |
Appl. No.: | 326190 |
Filed: | March 20, 1989 |
Current U.S. Class: | 156/62.2; 19/305; 156/62.6; 156/166; 156/181; 264/121; 425/80.1 |
Intern'l Class: | B27N 003/00; B27N 009/00 |
Field of Search: | 156/62.2,62.4,62.6,167,166,181,296 19/305 425/80.1,80.3 264/121 65/4.4,3.43,3.44 162/10 |
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Foreign Patent Documents | |||
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